In a race, Alex finished before Brian but after Charlie. David finished after Brian. Who finished first?

C. CHARLIE

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: 1) Alice and Bob cannot be selected together. 2) Charlie must be selected if David is selected. 3) Eva can be selected only if Alice is not selected. Which of the following groups satisfies all the conditions?

D. BOB, CHARLIE, EVA

Five friends are sitting in a row. A is to the left of B but to the right of C. D is sitting at one of the ends. E is sitting to the right of A. Who is sitting in the middle?

A. A

A class consists of four students: John, Lisa, Mark, and Nina. The following conditions are given: 1) John is older than Lisa but younger than Mark. 2) Nina is the youngest. 3) Lisa is not the oldest. Who is the oldest student in the class?

C. MARK

In a competition, there are four participants: Alice, Bob, Carol, and Dave. The following conditions are provided: 1) Alice scored higher than Bob but lower than Carol. 2) Dave scored the lowest. 3) Bob did not score the highest. Who scored the highest in the competition?

C. CAROL